The NIBCO® flanged cast iron gate valve may be used in commercial and industrial applications, including hot and cold water, HVAC, steam, gas and other general utility services. Please refer to NIBCO technical data sheets, chemical resistance guides and catalogs for engineering and installation information. Choose NIBCO® gate valves for the most specified, versatile and economical valve option in commercial, mechanical and industrial applications. NIBCO® valves are backed by the NIBCO 5-year 125more% limited warranty. less